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NORMAL INPUTS
i
-
BAL IN-1
J201
B--
BAL IN-2
J202
»-
BAL IN-3
J203
B--
BAL IN-4
J204
@-
a:
LEFT
w
-
N
~
UNBAL
::, IN/OUT-1
0
w
:i:
0
::,
0
a:
_.
%
UNBAL
CJ)
I-
IN/OUT-2
"'
I-
::,
..
I-
::,
RIGHT
n
J209
0
a:
~ ~NSAL
:ii
IN/OUT-3
n
J210
0
u
"'
Q
n
J211
:ii
i
UNBAL
'"
IN/OUT-4
n
J212
~
J
INPUT MODULE JACK (J5061
,---7
ID
/
20)
:➔ 1L
LEVEL-1
I
ID
I
2,(
115)'-'L
I
LEVEL-2
I
ID
I
3,',
~110,
~
~-
LEVEL-3
I
I
ID
I
~
(
'
5) '-4L
• .}
LEVEL-4
I
L
AL TEC-222~
INPUT CARD
---
SPECIAL
INPUT/OUTPUT
J213
J214
J215
J216
T
R
T
R
LEFT DRIVER MODULE JACK (J505I
,------
S1 {
aoo
I
'(I~
I
I
3(~
I
4(1~
~I~
I
·-~
I
'·~
I
s~~
I
L
MF
ILF
11
10
11
Y,o
RIGHT DRIVER MODULE JACK (J5041
,------
S1 {
ROO
I
1
X57
I ,
'1111'(~
I
3
I
1111( 1 ~
I
1111(~
I~
.1~
,I~
-,,,,.
al~
I
L
MF
11
LF
10
10
(I)
7
~
I
N/C
I
ALTEC-2251
J,•
Bl-AMP/TRI-AM~
DRIVER CARD
y.-
- -- -- -
N/C
J,·_
ILF)
(MF)
(HF)
S101
S201
S301
7
Figure 23. Stereo Triamplified System
J
11111111
1 TOB
MODEL 2275
POWER
AMPLIFIERS
75WATT/16OR
BOHM
OUTPUTS
Two unbalanced inputs each
are configured
into separate
triamplified systems. Each LF
channel is assigned to drive a
pair of parallel power amplifier
modules. Each MF and HF
channel is assigned to drive
one power amplifier module.
J
-=-
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